From 428e2fdc4ecee2312829e97549f99c12312f4faf Mon Sep 17 00:00:00 2001 From: Joe Perches Date: Tue, 24 May 2011 17:13:39 -0700 Subject: checkpatch: add check for line continuations in quoted strings Add a warning for unterminated quoted strings with line continuations as these frequently add unwanted whitespace. Signed-off-by: Joe Perches Cc: Andy Whitcroft Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- scripts/checkpatch.pl | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'scripts/checkpatch.pl') diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index d8670810db6..5c967295107 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -2748,6 +2748,11 @@ sub process { WARN("sizeof(& should be avoided\n" . $herecurr); } +# check for line continuations in quoted strings with odd counts of " + if ($rawline =~ /\\$/ && $rawline =~ tr/"/"/ % 2) { + WARN("Avoid line continuations in quoted strings\n" . $herecurr); + } + # check for new externs in .c files. if ($realfile =~ /\.c$/ && defined $stat && $stat =~ /^.\s*(?:extern\s+)?$Type\s+($Ident)(\s*)\(/s) -- cgit v1.2.3-70-g09d2 From b05317221b7607ba61ee921c31867ed08912aa46 Mon Sep 17 00:00:00 2001 From: Joe Perches Date: Tue, 24 May 2011 17:13:40 -0700 Subject: checkpatch: add _ and MODULE_ to 80 column exceptions Many module or file local logging functions use specific prefixes other than pr|dev|netdev. Allow all forms like foo_printk and foo_err to be longer than 80 columns. Also allow MODULE_ declarations to be longer than 80 columns. Signed-off-by: Joe Perches Cc: Andy Whitcroft Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- scripts/checkpatch.pl | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'scripts/checkpatch.pl') diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index 5c967295107..0e158667d47 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -210,10 +210,10 @@ our $typeTypedefs = qr{(?x: our $logFunctions = qr{(?x: printk| - pr_(debug|dbg|vdbg|devel|info|warning|err|notice|alert|crit|emerg|cont)| - (dev|netdev|netif)_(printk|dbg|vdbg|info|warn|err|notice|alert|crit|emerg|WARN)| + [a-z]+_(emerg|alert|crit|err|warning|warn|notice|info|debug|dbg|vdbg|devel|cont|WARN)| WARN| - panic + panic| + MODULE_[A-Z_]+ )}; our @typeList = ( -- cgit v1.2.3-70-g09d2 From 0fccc6221821e07366aa44bca112c4edb6d04dd7 Mon Sep 17 00:00:00 2001 From: Joe Perches Date: Tue, 24 May 2011 17:13:41 -0700 Subject: checkpatch: fix defect in printk(KERN_ 80 column exceptions Currently, printk lines with a only KERN_PREFIX and a quoted string without a comma or close paren that exceed 80 columns are flagged with a warning. ie: printk(KERN_WARNING "some long string that extends beond 80 cols..." "and is continued on another line\n"); Allow this form instead of emitting a warning. Signed-off-by: Joe Perches Cc: Andy Whitcroft Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- scripts/checkpatch.pl | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'scripts/checkpatch.pl') diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index 0e158667d47..8657f99bfb2 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -1462,7 +1462,7 @@ sub process { #80 column limit if ($line =~ /^\+/ && $prevrawline !~ /\/\*\*/ && $rawline !~ /^.\s*\*\s*\@$Ident\s/ && - !($line =~ /^\+\s*$logFunctions\s*\(\s*(?:(KERN_\S+\s*|[^"]*))?"[X\t]*"\s*(?:,|\)\s*;)\s*$/ || + !($line =~ /^\+\s*$logFunctions\s*\(\s*(?:(KERN_\S+\s*|[^"]*))?"[X\t]*"\s*(?:|,|\)\s*;)\s*$/ || $line =~ /^\+\s*"[^"]*"\s*(?:\s*|,|\)\s*;)\s*$/) && $length > 80) { -- cgit v1.2.3-70-g09d2 From 17441227f6258fc379c6ebfe21c3eec43b6f0de3 Mon Sep 17 00:00:00 2001 From: Joe Perches Date: Wed, 15 Jun 2011 15:08:17 -0700 Subject: checkpatch: add warning for uses of printk_ratelimit Warn about uses of printk_ratelimit() because it uses a global state and can hide subsequent useful messages. Signed-off-by: Joe Perches Cc: Andy Whitcroft Cc: Richard Weinberger Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- scripts/checkpatch.pl | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'scripts/checkpatch.pl') diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index 8657f99bfb2..b0aa2c68059 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -1943,6 +1943,11 @@ sub process { WARN("LINUX_VERSION_CODE should be avoided, code should be for the version to which it is merged\n" . $herecurr); } +# check for uses of printk_ratelimit + if ($line =~ /\bprintk_ratelimit\s*\(/) { + WARN("Prefer printk_ratelimited or pr__ratelimited to printk_ratelimit\n" . $herecurr); + } + # printk should use KERN_* levels. Note that follow on printk's on the # same line do not need a level, so we use the current block context # to try and find and validate the current printk. In summary the current -- cgit v1.2.3-70-g09d2